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30crmnmo圆棒淬火后硬度是多少

其它参数:
产品介绍:

30crmnmo钢板

30crmnmo厂家-30crmnmo力学性能-30crmnmo批发-30crmnmo合金钢牌号

佳洲金属专业直销30crmnmo合金钢规格及各种优质合金钢板/棒, 欢迎新老客户来电洽谈订购!

材料名称:合金结构钢标准:gb/t3077-1988

力学性能:

抗拉强度 σb (mpa):≥930(95)

屈服强度 σs (mpa):≥785(80)

伸率 δ5 (%):≥12

断面收缩率 ψ (%):≥50

冲击功 akv (j):≥63

冲击韧性值 αkv (j/cm2):≥78(8)

硬度 :≤229hb

试样尺寸:试毛坯尺寸25mm



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东莞市长安佳洲金属材料行

东莞市长安佳洲金属材料行

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